Thanks John On Thu, Apr 26, 2018 at 8:42 AM John DeSoi via 4D_Tech <[email protected]> wrote:
> New command, Value type: > > $type:=Value type($col[0]) > > And note if you use the new For each loop in version 17, all collection > elements must have the same type. > > John DeSoi, Ph.D. > > > > On Apr 26, 2018, at 10:36 AM, Kirk Brooks via 4D_Tech < > [email protected]> wrote: > > > > If I'm iterating through a collection how can I get the type of an > element? > > Here are some results from current attempts: > > $col:=New collection(New object;123;"XYZ";New collection) > > $type:=Type($col) // type = 42 > > $type:=Type($col[0]) // err: 4D was expecting a field or variable or > > parameter > > $type:=Type($col[1]) // err: 4D was expecting a field or variable or > > parameter > > C_OBJECT($obj) > > $obj:=$col[0] > > $type:=Type($obj) // 38 > > $obj:=$col[1] > > $type:=Type($obj) // err: argument types are incompatible > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > FAQ: http://lists.4d.com/faqnug.html > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** -- Kirk Brooks San Francisco, CA ======================= *We go vote - they go home* ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
